#40A4E2#40A4E2

#40A4E2 is a light, vivid cyan. Relative luminance 0.331; OKLCH L 68.8% C 0.129 H 240.0°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#40A4E2
RGB	rgb(64, 164, 226)
HSL	hsl(203, 74%, 57%)
HSV	hsv(203, 72%, 89%)
CMYK	cmyk(71.7%, 27.4%, 0%, 11.4%)
CIE-LAB	lab(64.26, -8.93, -39.64)
CIE-LCH	lch(64.26, 40.63, 257.30°)
OKLab	oklab(68.75% -0.0647 -0.1119)
OKLCH	oklch(68.75% 0.129 240)
XYZ	xyz(29.1119, 33.1286, 76.7969)
Luminance	0.3313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A4E2 #E27E40

analogous

#40E2CF #40A4E2 #4053E2

triadic

#40A4E2 #E240A4 #A4E240

tetradic

#40A4E2 #CF40E2 #E27E40 #53E240

square

#40A4E2 #CF40E2 #E27E40 #53E240

split-complementary

#40A4E2 #E24053 #E2CF40

monochromatic

#166292 #1E86C7 #40A4E2 #75BDEA #AAD7F2

Accessibility & contrast

On white

2.75

#40A4E2 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#40A4E2 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40A4E2

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A4E2	#FFFFFF	#000000	##000000
##40A4E2	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#87A4E5

Deuteranopia (green-blind)

#7195E1

Tritanopia (blue-blind)

#00B4B9

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40a4e2;
/* rgb */ color: rgb(64, 164, 226);
/* oklch */ color: oklch(68.8% 0.129 240.0);

Tailwind

colors: {
  custom: {
    50: '#88beeb',
    500: '#40a4e2',
    950: '#000000',
  },
}

SCSS

$custom: #40a4e2;
$custom-light: #88beeb;
$custom-dark: #000000;

JSON

{
  "hex": "#40a4e2",
  "rgb": {
    "r": 64,
    "g": 164,
    "b": 226
  },
  "hsl": {
    "h": 202.963,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.68754,
    "c": 0.1293,
    "h": 240
  },
  "luminance": 0.33132
}

Semantic roles & 50–950 ramp

primary

#40A4E2

secondary

#E0B79E

accent

#7E38F0

background

#F9FBFE

surface

#F1F6FD

border

#CBD0D5

text

#0D1216

muted

#7E8184

Preview Lab

Preview with #40A4E2

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →